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MST
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MST

Generic name:magnesium salicylatemag-NEE-zee-um-sa-LIS-i-late ]
Brand names: Doans Pills Extra Strength, MST, Nuprin Backache
Drug class:Salicylates

Medically reviewed by Drugs.com on Nov 16, 2020. Written by Cerner Multum.

What is MST?

MST is a nonsteroidal anti-inflammatory drug (NSAID) in a group of drugs called salicylates (sa-LIS-il-ates).

MST is used to provide temporary relief from backache.

MST may also be used for purposes not listed in this medication guide.

Warnings

MST can increase your risk of fatal heart attack or stroke. Do not use MST just before or after heart bypass surgery (coronary artery bypass graft, or CABG). This medicine may also cause stomach or intestinal bleeding, which can be fatal.

Do not give this medicine to a child or teenager with a fever, flu symptoms, or chickenpox.

Before taking this medicine

MST can increase your risk of fatal heart attack or stroke, even if you don't have any risk factors. Do not use this medicine just before or after heart bypass surgery (coronary artery bypass graft, or CABG).

MST may also cause stomach or intestinal bleeding, which can be fatal. These conditions can occur without warning while you are using this medicine, especially in older adults.

You should not use this medicine if you are allergic to aspirin or other salicylates.

Ask a doctor before giving the medicine to a child younger than 12 years old. Do not give this medicine to a child or teenager with a fever, flu symptoms, or chickenpox.Salicylates can cause Reye's syndrome, a serious and sometimes fatal condition in children.

Ask a doctor or pharmacist if this medicine is safe to use if you have ever had:

Ask a doctor before using this medicine if you are pregnant or breastfeeding.

If you are pregnant, you should not take this medicine unless your doctor tells you to. Taking an NSAID...